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167 projects, sorted by GitHub stars.

Wiki.js

Alternative toConfluence

Open source wiki with real-time collaboration and two-way Git sync.

  • 29,246 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Huly

Alternative toLinear

One open source workspace to replace Jira, Slack, and Notion

  • 28,085 GitHub stars
  • EPL-2.0Licence EPL-2.0

Focalboard

Alternative toTrello

Open source project management: Kanban, Scrum, and lists

  • 26,518 GitHub stars

Zulip

Alternative toSlack

Organized team chat with threaded conversations, self-hostable

  • 26,202 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Monica

Alternative toClay

Self-hosted personal relationship manager for friends and family.

  • 25,765 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #CRM

Cap

Alternative toLoom

Self-hosted screen recorder with custom S3 bucket support

  • 24,802 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

listmonk

Alternative toMailchimp

High-performance newsletter and mailing list manager

  • 24,248 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Forem

Alternative toHashnode

Community publishing and discussion tool that powers DEV Community.

  • 22,818 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Docmost

Alternative toConfluence

Self-hosted collaborative wiki and documentation tool

  • 22,292 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

WeKan

Alternative toTrello

Private self-hosted Kanban boards for Trello migration

  • 21,167 GitHub stars
  • MITLicence MIT

OpenMausBot

Alternative toGrok Bot

Your AI agent team in a chat app, local-first and Apache-2.0 licensed

  • 20,910 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Docker Mailserver

Alternative toGoogle Workspace

Postfix/Dovecot mail server in Docker, configured with plain files.

  • 19,739 GitHub stars
  • MITLicence MIT
  • #Email
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